The Commandant is taken alternately from the Artillery and Engineers, and the command lasts for five years only.

The Second in Command is always chosen from that arm of the service which does not supply the Commandant.

The inferior officers of each rank are taken in equal numbers from the two arms.

[The Staff of Instructors is as follows:—]

1 Professor of Artillery, at present a Captain of Artillery.

1 Assistant ditto also a Captain of Artillery.

1 Professor of Military Art, charged also with the Course of Military Legislation and Administration (a Captain of Engineers.)

1 Professor of Permanent Fortification and of the Attack and Defense of places (a Captain of Engineers.)

1 Assistant ditto ditto (a Captain of Engineers.)